243452000 has 144 divisors (see below), whose sum is σ = 658790496. Its totient is φ = 88352000.

The previous prime is 243451981. The next prime is 243452003. The reversal of 243452000 is 254342.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243452003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483749 + ... + 484251.

It is an arithmetic number, because the mean of its divisors is an integer number (4574934).

Almost surely, 2^243452000 is an apocalyptic number.

243452000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329395248).

243452000 is an abundant number, since it is smaller than the sum of its proper divisors (415338496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243452000 is a wasteful number, since it uses less digits than its factorization.

243452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 243452000 is about 15602.9484393175. The cubic root of 243452000 is about 624.4118199778.

The spelling of 243452000 in words is "two hundred forty-three million, four hundred fifty-two thousand".